Technical Data - 817M40 - EN24

817M40 - EN24

Related Specifications - SAE 4340, 1.6582, 34CrNiM06

817M40 - EN24 is a high tensile Alloy Steel

Chemical Analysis
Element
C
Si
Mn
Cr
Mo
Ni
Percentage
0.36 / 0.44
0.10 / 0.35
0.45 / 0.70
1.00 / 1.40
0.20 / 0.35
1.30 / 1.70

Material is usually supplied hardened & tempered in the T condition in which state it is readily machineable.

It offers good through hardenability, high tensile strength and toughness.

Mechanical Properties
Tensile
Yield
Elongation
Impact
Hardness
N/mm²
N/mm²
%
Izod J
HB
850 / 1000
650 min
13 min
40 min
248 / 302

Above properties are for steel hardened and tempered to 55/65 tons tensile (T condition)

Main Uses : Gears, Journals, Pinions, Spindles, Shafts and Rolls

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